<template>
  <div v-if="value && value.length > 0">
    <div
      v-if="!isCookMode"
      class="d-flex justify-start"
    >
      <h2 class="mt-1 text-h5 font-weight-medium opacity-80">
        {{ $t("recipe.ingredients") }}
      </h2>
      <AppButtonCopy
        btn-class="ml-auto"
        :copy-text="ingredientCopyText"
      />
    </div>
    <div>
      <div
        v-for="(ingredient, index) in value"
        :key="'ingredient' + index"
      >
        <template v-if="!isCookMode">
          <h3
            v-if="showTitleEditor[index]"
            class="mt-2"
          >
            {{ ingredient.title }}
          </h3>
          <v-divider v-if="showTitleEditor[index]" />
        </template>
        <v-list-item
          density="compact"
          class="pa-0"
          @click.stop="toggleChecked(index)"
        >
          <template #prepend>
            <v-checkbox
              v-model="checked[index]"
              hide-details
              class="pt-0 my-auto py-auto"
              color="secondary"
              density="comfortable"
            />
          </template>
          <v-list-item-title>
            <RecipeIngredientListItem
              :ingredient="ingredient"
              :scale="scale"
            />
          </v-list-item-title>
        </v-list-item>
      </div>
    </div>
  </div>
</template>

<script setup lang="ts">
import RecipeIngredientListItem from "./RecipeIngredientListItem.vue";
import { parseIngredientText } from "~/composables/recipes";
import type { RecipeIngredient } from "~/lib/api/types/recipe";

interface Props {
  value?: RecipeIngredient[];
  scale?: number;
  isCookMode?: boolean;
}
const props = withDefaults(defineProps<Props>(), {
  value: () => [],
  scale: 1,
  isCookMode: false,
});

function validateTitle(title?: string | null) {
  return !(title === undefined || title === "" || title === null);
}

const checked = ref(props.value.map(() => false));
const showTitleEditor = computed(() => props.value.map(x => validateTitle(x.title)));

const ingredientCopyText = computed(() => {
  const components: string[] = [];
  props.value.forEach((ingredient) => {
    if (ingredient.title) {
      if (components.length) {
        components.push("");
      }

      components.push(`[${ingredient.title}]`);
    }

    components.push(parseIngredientText(ingredient, props.scale, false));
  });

  return components.join("\n");
});

function toggleChecked(index: number) {
  // TODO Find a better way to do this - $set is not available, and
  // direct array modifications are not propagated for some reason
  checked.value.splice(index, 1, !checked.value[index]);
}
</script>

<style>
.dense-markdown p {
  margin: auto !important;
}
</style>
